Need the in & out time with total working hours

Question

Need one help. I have some record like below for around 100 members on daily basis-

Date & Time Reader User ID
3/14/2016 6:00 AM In 123
3/14/2016 7:00 AM out 123
3/14/2016 8:00 AM In 123
3/14/2016 9:00 AM out 123
3/15/2016 10:00 AM In 123
3/15/2016 11:00 AM out 123
3/15/2016 12:00 PM In 123
3/15/2016 1:00 PM out 123
3/16/2016 2:00 PM In 123
3/16/2016 3:00 PM out 123

Data is in Excel but can be put in SQL. Can somebody tell me how I can find the first In time, Last out time and the time person was In on daily basis.

Any help will be appreciated.